methyl 1-diethoxymethyl-1H-pyrrole-2-carboxylate

甘氨酸甲酯盐酸盐

N,N,N’,N’-tetramethyl-1,5-diazapenta-1,3-dienium perchlorate

α-(dimethylamino)-α-(pyrrol-2-yl)acetonitrile

methyl 1-(2-(2-methoxy-2-oxoethylidene)-5-oxopyrrolidin-1-yl)-1H-pyrrole-2-carboxylate